1. Introduction
The OUPES Mega 1 Lite is a portable power station designed to provide reliable power for various applications, including home backup, outdoor camping, and RV use. It features a 1024Wh LiFePO4 battery, 2000W AC output (4500W peak), and multiple charging options. This manual provides essential information for safe and efficient operation of your device.
2. Safety Instructions
- Do not disassemble, repair, or modify the unit.
- Avoid exposure to high temperatures, direct sunlight, or flammable materials.
- Keep the unit away from water and other liquids.
- Ensure proper ventilation during use and charging.
- Use only approved charging cables and accessories.
- Store the unit in a cool, dry place when not in use.
- Keep out of reach of children and pets.
3. Package Contents
Verify that all items are present in your package:
- 1x OUPES Mega 1 Lite Portable Power Station
- 1x AC Charging Cable
- 1x Car to Anderson Charging Cable
- 1x User Manual
4. Product Overview
The OUPES Mega 1 Lite features a robust design with multiple input and output ports for versatile power delivery.

Image: The OUPES Mega 1 Lite Portable Power Station connected to a laptop, phone, and other devices, demonstrating its multi-device charging capability.
4.1. Front Panel and Display
The front panel includes the main display, AC outlets, DC ports, and control buttons. The intuitive LCD display provides real-time information on input/output wattage, estimated runtime, port status, and alerts.

Image: A detailed view of the OUPES Mega 1 Lite's LCD display, illustrating estimated runtime, total output, battery percentage, and solar input indicators.
4.2. Port Selection
The unit is equipped with 9 versatile ports to power various devices simultaneously.
- 4x AC Outlets (120V/2000W, 4500W Surge)
- 2x USB-C (PD 140W)
- 2x USB-A (QC3.0 18W)
- 1x Car Socket (12V/10A)

Image: The OUPES Mega 1 Lite power station positioned in the back of a truck, highlighting its various AC, USB-C, USB-A, and car charging ports.
5. Setup
Before first use, fully charge the OUPES Mega 1 Lite. Place the unit on a stable, flat surface with adequate ventilation.
6. Operating Instructions
6.1. Charging the Power Station
The Mega 1 Lite offers multiple charging methods:
- AC Wall Charging: Connect the AC charging cable to the unit and a standard wall outlet. The unit can charge from 0 to 100% in approximately 46 minutes at 1400W. A 700W slow charge mode is also available via the app to extend battery lifespan.
- Solar Charging: Connect compatible solar panels (up to 800W input) to the Anderson port. Recharging time varies based on solar panel wattage and sunlight conditions.
- Car Charging: Use the provided Car to Anderson Charging Cable to charge from your vehicle's 12V outlet.
- AC + Solar Charging: Combine AC and solar input for faster charging.

Image: The OUPES Mega 1 Lite power station connected to a wall outlet, illustrating the AC charging process.

Image: A guide detailing solar charging times for the OUPES Mega 1 Lite using different solar panel configurations (100W, 240W, 480W, 720W).
6.2. Using AC and DC Outputs
Press the respective AC or DC power button to activate the output ports. The display will show the active output and power consumption.

Image: The OUPES Mega 1 Lite power station in an outdoor setting, demonstrating its ability to power essential and high-power appliances like mini-fridges, TVs, coffee makers, and power tools.
6.3. Uninterruptible Power Supply (UPS) Function
The Mega 1 Lite features a UPS function with a switchover time of less than 20ms. This ensures continuous power for connected devices during sudden power outages.

Image: The OUPES Mega 1 Lite power station providing backup power to a CPAP machine next to a sleeping person, illustrating its UPS capability for critical devices.

Image: A diagram illustrating the seamless power transfer process of the OUPES Mega 1 Lite's UPS function, detailing grid power failure detection and switchover to battery power.
6.4. Smart App Control
Control and monitor your power station remotely using the dedicated smartphone application via Bluetooth or Wi-Fi. The app allows you to monitor real-time power usage, adjust charging speeds, and toggle output ports.

Image: A smartphone displaying the OUPES Mega 1 Lite app interface, showing real-time battery monitoring, remote control options, and custom settings.
7. Maintenance
- Battery Care: For optimal battery life, fully charge the unit at least once every three months. Avoid completely draining the battery for extended periods.
- Cleaning: Use a dry, soft cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- Storage: Store the power station in a cool, dry environment, away from direct sunlight and extreme temperatures.

Image: An exploded view of the OUPES Mega 1 Lite, showcasing its internal LiFePO4 battery cells and cooling system, emphasizing its durable construction.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit not turning on | Battery depleted; Power button not pressed correctly | Charge the unit; Press and hold the power button for 3 seconds |
| AC output not working | AC output not enabled; Overload protection activated | Press the AC button to enable; Reduce connected load and restart AC output |
| Slow charging speed | 700W slow charge mode active; Insufficient solar input | Check app settings for charging mode; Ensure solar panels are in direct sunlight and correctly connected |
| App connectivity issues | Bluetooth/Wi-Fi off; App not updated | Ensure Bluetooth/Wi-Fi is enabled on unit and phone; Update app to latest version |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | OUPES |
| Model Name | Mega 1 Lite |
| Model Number | S1 Lite |
| Battery Type | LiFePO4 |
| Capacity | 1024Wh |
| AC Output | 2000W (Rated), 4500W (Peak) |
| AC Input | 1400W Max |
| Solar Input | 800W Max (Anderson Port) |
| USB-C Output | 2x PD 140W |
| USB-A Output | 2x QC3.0 18W |
| Car Socket Output | 12V/10A |
| UPS Switchover Time | <20ms |
| Dimensions (L x W x H) | 15.1"L x 9.1"W x 11.6"H |
| Item Weight | 26.7 lbs |
| Life Cycles | 3,500+ cycles to 80% capacity |
| Special Features | 0-100% Charge in 46 Mins, <20ms UPS, PD 140W, Smart APP Control |
10. Warranty and Support
The OUPES Mega 1 Lite Portable Power Station comes with a comprehensive 5-year warranty. For technical support, warranty claims, or further assistance, please contact OUPES customer service through their official website or the contact information provided in your purchase documentation.





